Finding the Third Proportional to 1,247,742 and 1,983,393

Step by Step Solution

1. Step 1: Write the proportion equation
   1,247,742 : 1,983,393 = 1,983,393 : x
2. Step 2: Convert to fraction form
   1,247,742/1,983,393 = 1,983,393/x
3. Step 3: Cross multiply
   1,247,742x = 1,983,393 × 1,983,393
4. Step 4: Simplify right side
   1,247,742x = 3,933,847,792,449
5. Step 5: Solve for x
   x = 3,933,847,792,449/1,247,742
6. Step 6: Final answer
   x = 3,152,773.40